socat: SOcket CAT (netcat-like utility with many enhancements)
socat:
socat: socat is a relay for bidirectional data transfer between two independent 
socat: data channels. Each of these data channels may be a file, pipe, device 
socat: (serial line etc. or a pseudo terminal), a socket (UNIX, IP4, IP6 - raw, 
socat: UDP, TCP), an SSL socket, proxy CONNECT connection, a file descriptor 
socat: (stdin etc.), the GNU line editor, a program, 
socat: or a combination of two of these.
socat:
socat:
socat: